18761054

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:404

約数の個数: 32

約数和(自身を含む): 31993920

約数和(自身を除く): 13232866

約数列:

[1, 2, 13, 23, 26, 46, 137, 229, 274, 299, 458, 598, 1781, 2977, 3151, 3562, 5267, 5954, 6302, 10534, 31373, 40963, 62746, 68471, 81926, 136942, 407849, 721579, 815698, 1443158, 9380527, 18761054]

約数ペア:

[(1, 18761054), (2, 9380527), (13, 1443158), (23, 815698), (26, 721579), (46, 407849), (137, 136942), (229, 81926), (274, 68471), (299, 62746), (458, 40963), (598, 31373), (1781, 10534), (2977, 6302), (3151, 5954), (3562, 5267)]